Home / 10,340.79-14,270.18-5,625.08

Finding the Fourth Proportional to 10,340.79, 14,270.18 and 5,625.08

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Solution

The fourth proportional to 10,340.79, 14,270.18 and 5,625.08 is: 7,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.79 : 14,270.18 = 5,625.08 : x
  2. Step 2: Convert to fraction form
    10,340.79/14,270.18 = 5,625.08/x
  3. Step 3: Cross multiply
    10,340.79x = 14,270.18 × 5,625.08
  4. Step 4: Simplify right side
    10,340.79x = 80,270,804.64
  5. Step 5: Solve for x
    x = 80,270,804.64/10,340.79
  6. Step 6: Final answer
    x = 7,762.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.